code: def get_metrics(name, mode, cfg):
      return metrics_zoo.get(name, mode, cfg)
  
imports: from __future__ import absolute_import
  from __future__ import unicode_literals
  from __future__ import print_function
  from __future__ import division
  import io
  import logging
  import numpy
  from videotag_tsn_lstm.resource.metrics.youtube8m import eval_util
label_desc: Use image node_id 2 for calling a global function with example usage: get_metrics(name, mode, cfg) and returns: metrics_zoo